On 12 Jan 2009, at 7:33 pm, Jean-Daniel Dupas wrote:
Just for the record. Mac OS 10.5 introduced two new keywords to
define methods in a protocol:
@required
@optional.
A class that "conforms to" the formal protocol is required to
implement the methods marked as required of the protocol.
Yes, but if you don't specify anything, @required is assumed.
--Graham
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